DNS response history for ulla.ns.cloudflare.com

ulla.ns.cloudflare.com is a DNS nameserver monitored by NameServerHistory. This page provides historical DNS response-time data, nameserver uptime signals, DNS latency observations, resolved IP history, successful response counts, failed response counts, and reliability indicators for this nameserver.

The selected UTC date is 2026-08-21. For this date, NameServerHistory found 216 DNS check records, 216 successful responses, 0 failed responses, and 129 ms average response time. Current selected-date status: At least one successful DNS response was recorded for the selected date.

  • Use this report to investigate historical DNS uptime and nameserver reliability.
  • Compare DNS latency changes, failed DNS checks, and response behavior over time.
  • Review the latest resolved IP address and raw DNS check history for ulla.ns.cloudflare.com.
Records on Selected Date

216

Historical checks stored for this nameserver on selected date

Average Latency

129 ms

Calculated from available response records

Latest Check on Selected Date

2026-08-21 23:46

All timestamps shown in UTC

Latest Resolved IP on Selected Date

108.162.192.233

Most recently resolved hosting IP on selected date

Successful Responses

216

Checks that returned a measurable response

Failed Responses

0

Checks with no response or no returned latency

Failure Rate

0%

Based on the selected date history

Selected Date Status

Responsive

At least one successful response exists on selected date

History for ulla.ns.cloudflare.com

Showing DNS history for 2026-08-21 UTC. Newest records appear first.

Latency bars are scaled to a maximum of 5000 ms for quick visual comparison.

# Query Time (UTC) Correlation ID Latency Response IP Address
216 2026-08-21 23:46 639229527598660841
34 ms 108.162.192.233
215 2026-08-21 23:46 639229527598660841
34 ms 172.64.32.233
214 2026-08-21 23:46 639229527598660841
34 ms 173.245.58.233
213 2026-08-21 23:30 639229517954323214
9 ms 108.162.192.233
212 2026-08-21 23:30 639229517954323214
9 ms 172.64.32.233
211 2026-08-21 23:30 639229517954323214
9 ms 173.245.58.233
210 2026-08-21 23:14 639229508269999021
3 ms 108.162.192.233
209 2026-08-21 23:14 639229508269999021
3 ms 172.64.32.233
208 2026-08-21 23:14 639229508269999021
3 ms 173.245.58.233
207 2026-08-21 22:58 639229498559060171
4 ms 108.162.192.233
206 2026-08-21 22:58 639229498559060171
4 ms 172.64.32.233
205 2026-08-21 22:58 639229498559060171
4 ms 173.245.58.233
204 2026-08-21 22:41 639229488519347586
4 ms 108.162.192.233
203 2026-08-21 22:41 639229488519347586
4 ms 172.64.32.233
202 2026-08-21 22:41 639229488519347586
4 ms 173.245.58.233
201 2026-08-21 21:48 639229456606578934
42 ms 172.64.32.233
200 2026-08-21 21:48 639229456606578934
42 ms 173.245.58.233
199 2026-08-21 21:48 639229456606578934
42 ms 108.162.192.233
198 2026-08-21 21:32 639229446985772499
2042 ms 173.245.58.233
197 2026-08-21 21:32 639229446985772499
2042 ms 172.64.32.233
196 2026-08-21 21:32 639229446985772499
2042 ms 108.162.192.233
195 2026-08-21 21:16 639229437367313098
12 ms 108.162.192.233
194 2026-08-21 21:16 639229437367313098
12 ms 172.64.32.233
193 2026-08-21 21:16 639229437367313098
12 ms 173.245.58.233
192 2026-08-21 21:00 639229427923950391
37 ms 108.162.192.233
191 2026-08-21 21:00 639229427923950391
37 ms 173.245.58.233
190 2026-08-21 21:00 639229427923950391
37 ms 172.64.32.233
189 2026-08-21 20:44 639229418168588854
11 ms 108.162.192.233
188 2026-08-21 20:44 639229418168588854
11 ms 172.64.32.233
187 2026-08-21 20:44 639229418168588854
11 ms 173.245.58.233
186 2026-08-21 20:28 639229408345678334
21 ms 108.162.192.233
185 2026-08-21 20:28 639229408345678334
21 ms 172.64.32.233
184 2026-08-21 20:28 639229408345678334
21 ms 173.245.58.233
183 2026-08-21 20:11 639229398616354648
31 ms 172.64.32.233
182 2026-08-21 20:11 639229398616354648
31 ms 173.245.58.233
181 2026-08-21 20:11 639229398616354648
31 ms 108.162.192.233
180 2026-08-21 19:55 639229388634592323
7 ms 108.162.192.233
179 2026-08-21 19:55 639229388634592323
7 ms 173.245.58.233
178 2026-08-21 19:55 639229388634592323
7 ms 172.64.32.233
177 2026-08-21 19:38 639229378792837692
10 ms 173.245.58.233
176 2026-08-21 19:38 639229378792837692
10 ms 108.162.192.233
175 2026-08-21 19:38 639229378792837692
10 ms 172.64.32.233
174 2026-08-21 19:22 639229369154682311
7 ms 108.162.192.233
173 2026-08-21 19:22 639229369154682311
7 ms 173.245.58.233
172 2026-08-21 19:22 639229369154682311
7 ms 172.64.32.233
171 2026-08-21 19:06 639229359248017926
6 ms 108.162.192.233
170 2026-08-21 19:06 639229359248017926
6 ms 172.64.32.233
169 2026-08-21 19:06 639229359248017926
6 ms 173.245.58.233
168 2026-08-21 18:49 639229349124294642
77 ms 172.64.32.233
167 2026-08-21 18:49 639229349124294642
77 ms 173.245.58.233
166 2026-08-21 18:49 639229349124294642
77 ms 108.162.192.233
165 2026-08-21 17:57 639229317791715692
4 ms 108.162.192.233
164 2026-08-21 17:57 639229317791715692
4 ms 172.64.32.233
163 2026-08-21 17:57 639229317791715692
4 ms 173.245.58.233
162 2026-08-21 17:41 639229308115194575
10 ms 108.162.192.233
161 2026-08-21 17:41 639229308115194575
10 ms 172.64.32.233
160 2026-08-21 17:41 639229308115194575
10 ms 173.245.58.233
159 2026-08-21 17:24 639229298320320558
6 ms 108.162.192.233
158 2026-08-21 17:24 639229298320320558
6 ms 172.64.32.233
157 2026-08-21 17:24 639229298320320558
6 ms 173.245.58.233
156 2026-08-21 17:08 639229288674863221
37 ms 172.64.32.233
155 2026-08-21 17:08 639229288674863221
37 ms 108.162.192.233
154 2026-08-21 17:08 639229288674863221
37 ms 173.245.58.233
153 2026-08-21 16:52 639229278983677079
4 ms 108.162.192.233
152 2026-08-21 16:52 639229278983677079
4 ms 172.64.32.233
151 2026-08-21 16:52 639229278983677079
4 ms 173.245.58.233
150 2026-08-21 16:36 639229269405517175
11 ms 172.64.32.233
149 2026-08-21 16:36 639229269405517175
11 ms 173.245.58.233
148 2026-08-21 16:36 639229269405517175
11 ms 108.162.192.233
147 2026-08-21 16:20 639229259594798244
4 ms 108.162.192.233
146 2026-08-21 16:20 639229259594798244
4 ms 172.64.32.233
145 2026-08-21 16:20 639229259594798244
4 ms 173.245.58.233
144 2026-08-21 16:03 639229249736681188
13 ms 108.162.192.233
143 2026-08-21 16:03 639229249736681188
13 ms 172.64.32.233
142 2026-08-21 16:03 639229249736681188
13 ms 173.245.58.233
141 2026-08-21 15:47 639229239699417787
39 ms 108.162.192.233
140 2026-08-21 15:47 639229239699417787
39 ms 172.64.32.233
139 2026-08-21 15:47 639229239699417787
39 ms 173.245.58.233
138 2026-08-21 15:30 639229229621964033
9 ms 172.64.32.233
137 2026-08-21 15:30 639229229621964033
9 ms 108.162.192.233
136 2026-08-21 15:30 639229229621964033
9 ms 173.245.58.233
135 2026-08-21 15:13 639229219567270965
31 ms 108.162.192.233
134 2026-08-21 15:13 639229219567270965
31 ms 172.64.32.233
133 2026-08-21 15:13 639229219567270965
31 ms 173.245.58.233
132 2026-08-21 14:56 639229209406666856
23 ms 173.245.58.233
131 2026-08-21 14:56 639229209406666856
23 ms 172.64.32.233
130 2026-08-21 14:56 639229209406666856
23 ms 108.162.192.233
129 2026-08-21 14:03 639229177815876178
5 ms 108.162.192.233
128 2026-08-21 14:03 639229177815876178
5 ms 172.64.32.233
127 2026-08-21 14:03 639229177815876178
5 ms 173.245.58.233
126 2026-08-21 13:48 639229168243572685
48 ms 108.162.192.233
125 2026-08-21 13:48 639229168243572685
48 ms 172.64.32.233
124 2026-08-21 13:48 639229168243572685
48 ms 173.245.58.233
123 2026-08-21 13:31 639229158599856475
16 ms 108.162.192.233
122 2026-08-21 13:31 639229158599856475
16 ms 172.64.32.233
121 2026-08-21 13:31 639229158599856475
16 ms 173.245.58.233
120 2026-08-21 13:15 639229148998940902
31 ms 108.162.192.233
119 2026-08-21 13:15 639229148998940902
31 ms 173.245.58.233
118 2026-08-21 13:15 639229148998940902
31 ms 172.64.32.233
117 2026-08-21 12:59 639229139276923594
29 ms 173.245.58.233
116 2026-08-21 12:59 639229139276923594
29 ms 172.64.32.233
115 2026-08-21 12:59 639229139276923594
29 ms 108.162.192.233
114 2026-08-21 12:43 639229129709912394
35 ms 108.162.192.233
113 2026-08-21 12:43 639229129709912394
35 ms 172.64.32.233
112 2026-08-21 12:43 639229129709912394
35 ms 173.245.58.233
111 2026-08-21 12:27 639229119801488500
4 ms 108.162.192.233
110 2026-08-21 12:27 639229119801488500
4 ms 172.64.32.233
109 2026-08-21 12:27 639229119801488500
4 ms 173.245.58.233
108 2026-08-21 12:11 639229110135262458
5 ms 108.162.192.233
107 2026-08-21 12:11 639229110135262458
5 ms 172.64.32.233
106 2026-08-21 12:11 639229110135262458
5 ms 173.245.58.233
105 2026-08-21 11:54 639229100336051392
26 ms 108.162.192.233
104 2026-08-21 11:54 639229100336051392
26 ms 172.64.32.233
103 2026-08-21 11:54 639229100336051392
26 ms 173.245.58.233
102 2026-08-21 11:38 639229090641415626
52 ms 108.162.192.233
101 2026-08-21 11:38 639229090641415626
52 ms 172.64.32.233
100 2026-08-21 11:38 639229090641415626
52 ms 173.245.58.233
99 2026-08-21 11:22 639229080702683947
21 ms 108.162.192.233
98 2026-08-21 11:22 639229080702683947
21 ms 173.245.58.233
97 2026-08-21 11:22 639229080702683947
21 ms 172.64.32.233
96 2026-08-21 11:05 639229070601456699
16 ms 108.162.192.233
95 2026-08-21 11:05 639229070601456699
16 ms 172.64.32.233
94 2026-08-21 11:05 639229070601456699
16 ms 173.245.58.233
93 2026-08-21 10:12 639229038947447232
7 ms 172.64.32.233
92 2026-08-21 10:12 639229038947447232
7 ms 173.245.58.233
91 2026-08-21 10:12 639229038947447232
7 ms 108.162.192.233
90 2026-08-21 09:56 639229029268708773
24 ms 108.162.192.233
89 2026-08-21 09:56 639229029268708773
24 ms 172.64.32.233
88 2026-08-21 09:56 639229029268708773
24 ms 173.245.58.233
87 2026-08-21 09:40 639229019647910603
2014 ms 173.245.58.233
86 2026-08-21 09:40 639229019647910603
2014 ms 172.64.32.233
85 2026-08-21 09:40 639229019647910603
2014 ms 108.162.192.233
84 2026-08-21 09:24 639229009983843738
4 ms 108.162.192.233
83 2026-08-21 09:24 639229009983843738
4 ms 172.64.32.233
82 2026-08-21 09:24 639229009983843738
4 ms 173.245.58.233
81 2026-08-21 09:07 639229000203331882
16 ms 172.64.32.233
80 2026-08-21 09:07 639229000203331882
16 ms 108.162.192.233
79 2026-08-21 09:07 639229000203331882
16 ms 173.245.58.233
78 2026-08-21 08:51 639228990302335999
5 ms 108.162.192.233
77 2026-08-21 08:51 639228990302335999
5 ms 172.64.32.233
76 2026-08-21 08:51 639228990302335999
5 ms 173.245.58.233
75 2026-08-21 08:35 639228980567740722
12 ms 108.162.192.233
74 2026-08-21 08:35 639228980567740722
12 ms 172.64.32.233
73 2026-08-21 08:35 639228980567740722
12 ms 173.245.58.233
72 2026-08-21 08:18 639228970762445174
5 ms 108.162.192.233
71 2026-08-21 08:18 639228970762445174
5 ms 172.64.32.233
70 2026-08-21 08:18 639228970762445174
5 ms 173.245.58.233
69 2026-08-21 08:02 639228961065054445
9 ms 108.162.192.233
68 2026-08-21 08:02 639228961065054445
9 ms 172.64.32.233
67 2026-08-21 08:02 639228961065054445
9 ms 173.245.58.233
66 2026-08-21 07:46 639228951224649885
26 ms 108.162.192.233
65 2026-08-21 07:46 639228951224649885
26 ms 172.64.32.233
64 2026-08-21 07:46 639228951224649885
26 ms 173.245.58.233
63 2026-08-21 07:29 639228941303864592
33 ms 108.162.192.233
62 2026-08-21 07:29 639228941303864592
33 ms 172.64.32.233
61 2026-08-21 07:29 639228941303864592
33 ms 173.245.58.233
60 2026-08-21 07:12 639228931191328583
72 ms 108.162.192.233
59 2026-08-21 07:12 639228931191328583
72 ms 172.64.32.233
58 2026-08-21 07:12 639228931191328583
72 ms 173.245.58.233
57 2026-08-21 06:20 639228899518173317
13 ms 108.162.192.233
56 2026-08-21 06:20 639228899518173317
13 ms 172.64.32.233
55 2026-08-21 06:20 639228899518173317
13 ms 173.245.58.233
54 2026-08-21 06:03 639228889785027669
23 ms 108.162.192.233
53 2026-08-21 06:03 639228889785027669
23 ms 172.64.32.233
52 2026-08-21 06:03 639228889785027669
23 ms 173.245.58.233
51 2026-08-21 05:47 639228880106330161
4 ms 108.162.192.233
50 2026-08-21 05:47 639228880106330161
4 ms 172.64.32.233
49 2026-08-21 05:47 639228880106330161
4 ms 173.245.58.233
48 2026-08-21 05:31 639228870316184091
7 ms 172.64.32.233
47 2026-08-21 05:31 639228870316184091
7 ms 108.162.192.233
46 2026-08-21 05:31 639228870316184091
7 ms 173.245.58.233
45 2026-08-21 05:15 639228860695366512
42 ms 108.162.192.233
44 2026-08-21 05:15 639228860695366512
42 ms 172.64.32.233
43 2026-08-21 05:15 639228860695366512
42 ms 173.245.58.233
42 2026-08-21 04:59 639228851027209500
38 ms 108.162.192.233
41 2026-08-21 04:59 639228851027209500
38 ms 172.64.32.233
40 2026-08-21 04:59 639228851027209500
38 ms 173.245.58.233
39 2026-08-21 04:43 639228841479265462
9 ms 173.245.58.233
38 2026-08-21 04:43 639228841479265462
9 ms 172.64.32.233
37 2026-08-21 04:43 639228841479265462
9 ms 108.162.192.233
36 2026-08-21 04:27 639228831752962260
3 ms 108.162.192.233
35 2026-08-21 04:27 639228831752962260
3 ms 172.64.32.233
34 2026-08-21 04:27 639228831752962260
3 ms 173.245.58.233
33 2026-08-21 04:10 639228821953295483
7 ms 108.162.192.233
32 2026-08-21 04:10 639228821953295483
7 ms 172.64.32.233
31 2026-08-21 04:10 639228821953295483
7 ms 173.245.58.233
30 2026-08-21 03:54 639228812227429953
2013 ms 108.162.192.233
29 2026-08-21 03:54 639228812227429953
2013 ms 172.64.32.233
28 2026-08-21 03:54 639228812227429953
2013 ms 173.245.58.233
27 2026-08-21 03:38 639228802476107538
2021 ms 108.162.192.233
26 2026-08-21 03:38 639228802476107538
2021 ms 172.64.32.233
25 2026-08-21 03:38 639228802476107538
2021 ms 173.245.58.233
24 2026-08-21 03:21 639228792525492032
3 ms 108.162.192.233
23 2026-08-21 03:21 639228792525492032
3 ms 172.64.32.233
22 2026-08-21 03:21 639228792525492032
3 ms 173.245.58.233
21 2026-08-21 02:29 639228761131421385
17 ms 172.64.32.233
20 2026-08-21 02:29 639228761131421385
17 ms 108.162.192.233
19 2026-08-21 02:29 639228761131421385
17 ms 173.245.58.233
18 2026-08-21 02:13 639228751571206692
3 ms 108.162.192.233
17 2026-08-21 02:13 639228751571206692
3 ms 172.64.32.233
16 2026-08-21 02:13 639228751571206692
3 ms 173.245.58.233
15 2026-08-21 01:57 639228741705571019
4 ms 108.162.192.233
14 2026-08-21 01:57 639228741705571019
4 ms 172.64.32.233
13 2026-08-21 01:57 639228741705571019
4 ms 173.245.58.233
12 2026-08-21 01:40 639228731642208228
7 ms 173.245.58.233
11 2026-08-21 01:40 639228731642208228
7 ms 172.64.32.233
10 2026-08-21 01:40 639228731642208228
7 ms 108.162.192.233
9 2026-08-21 00:48 639228700387002072
32 ms 108.162.192.233
8 2026-08-21 00:48 639228700387002072
32 ms 172.64.32.233
7 2026-08-21 00:48 639228700387002072
32 ms 173.245.58.233
6 2026-08-21 00:32 639228690742014433
4 ms 108.162.192.233
5 2026-08-21 00:32 639228690742014433
4 ms 172.64.32.233
4 2026-08-21 00:32 639228690742014433
4 ms 173.245.58.233
3 2026-08-21 00:15 639228680877937122
5 ms 108.162.192.233
2 2026-08-21 00:15 639228680877937122
5 ms 172.64.32.233
1 2026-08-21 00:15 639228680877937122
5 ms 173.245.58.233